Question: (c) Your utility charges $0.08 for electricity. A PV module costs $2/W installed. Should you switch to a combined PV + grid system? Explain

(c) Your utility charges $0.08 for electricity. A PV module costs $2/W installed. Should you switch to a combined PV + grid system? Explain your answer. $2/W corresponds to $0.06/kWhr (at 4 hr/day over 20 years). It is cheaper to use solar if there is a way to store excess not being used. If the grid provides storage for free, then a hybrid system makes economic sense.

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